Window



FIG. 1 is a front and side perspective view thereof;

FIG. 2 is a front elevational view thereof, the rear elevation having the same appearance;

FIG. 3 is a front and side perspective view of a second embodiment thereof;

FIG. 4 is a front elevational view thereof, the rear elevation having the same appearance;

FIG. 5 is a front and side perspective view of a third embodiment thereof; and,

FIG. 6 is a front elevational view thereof, the rear elevation having the same appearance. 

The ornamental design for a window, as shown and described. 